<template>
  <div>
    <el-image style="animation: header-effect 2s"
              class="background-image"
              lazy
              :src="backgroundPath ? backgroundPath : $constant.bgImg"
              fit="cover">
      <div slot="error" class="image-slot background-image-error"></div>
    </el-image>

    <!-- 封面 -->
    <div class="friend-head myCenter">
      <h1 style="color: var(--white);z-index: 10;font-weight: 700;font-size: 45px">友情链接</h1>
    </div>

    <div class="friend-wrap">
      <div class="friend-main">
        <!-- 添加友链 -->
        <div @click="clickLetter()" class="form-wrap">
          <!-- 信封上面 -->
          <img class="before-img" src="../../assets/file/letter-header.jpg" style="width: 100%"/>
          <!-- 信 -->
          <div class="envelope" style="animation: hideToShow 2s">
            <div class="form-main">
              <img src="../../assets/file/letter-card-top.jpg" style="width: 100%"/>
              <div>
                <h3 style="text-align: center">有朋自远方来</h3>
                <div>
                  <div class="myCenter form-friend">
                    <div class="user-title">
                      <div>名称：</div>
                      <div>简介：</div>
                      <div>封面：</div>
                      <div>网址：</div>
                    </div>
                    <div class="user-content">
                      <div>
                        <el-input maxlength="30" v-model="friend.name"></el-input>
                      </div>
                      <div>
                        <el-input maxlength="120" v-model="friend.introduction"></el-input>
                      </div>
                      <div>
                        <el-input maxlength="200" v-model="friend.cover"></el-input>
                      </div>
                      <div>
                        <el-input maxlength="200" v-model="friend.url"></el-input>
                      </div>
                    </div>
                  </div>
                  <div class="myCenter" style="margin-top: 20px">
                    <proButton :info="'提交'"
                               @click.native.stop="submitFriend()"
                               :before="$constant.before_color_2"
                               :after="$constant.after_color_2">
                    </proButton>
                  </div>
                </div>
                <div>
                  <img src="../../assets/file/letter-card-bottom.jpg" style="width: 100%;margin: 5px auto"/>
                </div>
                <p style="font-size: 12px;text-align: center;color: #999">欢迎交换友链</p>
              </div>
            </div>
          </div>
          <img class="after-img" src="../../assets/file/letter.jpg" style="width: 100%"/>
        </div>

        <div style="font-size: 20px;font-weight: bold;margin-top: 40px">🌸本站信息</div>
        <div>
          <blockquote>
            <div>网站名称: {{ this.$store.state.webInfo.webName }}</div>
            <div>网址域名: {{ $constant.domainName }}</div>
            <div>网站封面: {{ $constant.domainCover }}</div>
          </blockquote>
        </div>
        <div style="font-size: 20px;font-weight: bold">🌸申请方式</div>
        <div>
          <blockquote>
            <div>点击上方信封申请友链，待站长审核通过即可✨✨✨</div>
            <div>不会添加带有广告营销和没有实质性内容的友链🚫🚫🚫</div>
            <div>申请之前请将本网站添加为您的友链哦🎟️🎟️🎟️</div>
          </blockquote>
        </div>

        <hr>

        <h2 style="margin-top: 60px">♥️青出于蓝</h2>
        <card :friend-list="friendList[0]" @clickFriendPath="clickFriend"></card>

        <hr>

        <h2 style="margin-top: 60px">🥇友情链接</h2>
        <card :friend-list="friendList[1]" @clickFriendPath="clickFriend"></card>
      </div>
    </div>

    <!-- 页脚 -->
    <myFooter></myFooter>
  </div>
</template>

<script>
import mixins from "@/utils/mixins";
const myFooter = () => import( "../common/footer.vue");
const card = () => import( "./card.vue");
const proButton = () => import( "../common/proButton");

export default {
  mixins: [mixins],
  components: {
    myFooter,
    card,
    proButton
  },

  data() {
    return {
      friendList: {},
      friend: {
        name: "",
        introduction: "",
        cover: "",
        url: ""
      }
    }
  },

  computed: {},

  watch: {},

  created() {
    this.getBackGroundImg();
    this.getFriends();
  },

  mounted() {

  },

  methods: {
    clickLetter() {
      if (document.body.clientWidth < 700) {
        $(".form-wrap").css({"height": "1000px", "top": "-200px"});
      } else {
        $(".form-wrap").css({"height": "1150px", "top": "-200px"});
      }
    },
    submitFriend() {
      if (this.$common.isEmpty(localStorage.getItem("token"))) {
        this.$message({
          message: "请先登录！",
          type: "error"
        });
        return;
      }

      if (this.friend.name.trim() === "") {
        this.$message({
          message: "你还没写名称呢~",
          type: "warning"
        });
        return;
      }

      if (this.friend.introduction.trim() === "") {
        this.$message({
          message: "你还没写简介呢~",
          type: "warning"
        });
        return;
      }

      if (this.friend.cover.trim() === "") {
        this.$message({
          message: "你还没设置封面呢~",
          type: "warning"
        });
        return;
      }

      if (this.friend.url.trim() === "") {
        this.$message({
          message: "你还没写网址呢~",
          type: "warning"
        });
        return;
      }

      this.$createHttp.addFriend(this.friend).then((res) => {
        if (res.code === 200) {
          $(".form-wrap").css({"height": "447px", "top": "0"});
          this.$message({
            type: 'success',
            message: '提交成功，待管理员审核！'
          });
        }
      }).catch((error) => {
        this.$message({
          message: error,
          type: "error"
        });
      });
    },
    clickFriend(path) {
      window.open(path);
    },
    getFriends() {
      this.$createHttp.getFriends().then((res) => {
          if (res.code === 200) {
            this.friendList = res.data;
          }
        })
        .catch((error) => {
          this.$message({
            message: error,
            type: "error"
          });
        });
    }
  }
}
</script>

<style scoped>

.friend-head {
  height: 300px;
  position: relative;
}

.friend-head::before {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .3);
  content: '';
}

.friend-main {
  max-width: 1200px;
  margin: 40px auto;
  border-radius: 10px;
  padding: 40px;
  background: rgba(255, 255, 255, .85);
}

.friend-main h2 {
  font-size: 20px;
}

hr {
  position: relative;
  margin: 40px auto;
  border: 2px dashed var(--lightGreen);
  overflow: visible;
}

hr:before {
  position: absolute;
  top: -14px;
  left: 5%;
  color: var(--lightGreen);
  content: '❄';
  font-size: 30px;
  line-height: 1;
  transition: all 1s ease-in-out;
}

hr:hover:before {
  left: calc(95% - 20px);
}

.form-wrap {
  margin: 0 auto;
  overflow: hidden;
  width: 530px;
  height: 447px;
  position: relative;
  top: 0;
  transition: all 1s ease-in-out .3s;
  z-index: 0;
  cursor: pointer;
}


.before-img {
  position: absolute;
  bottom: 126px;
  left: 0;
  background-repeat: no-repeat;
  width: 530px;
  height: 317px;
  z-index: -100;
}

.after-img {
  position: absolute;
  bottom: -2px;
  left: 0;
  background-repeat: no-repeat;
  width: 530px;
  height: 259px;
  z-index: 100;
}

.friend-wrap {
  padding: 0 20px;
  color: var(--black);
}

.envelope {
  position: relative;
  margin: 0 auto;
  transition: all 1s ease-in-out .3s;
  padding: 200px 20px 20px;
}

.form-main {
  background: var(--white);
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
}


.user-title {
  text-align: right;
  user-select: none;
}

.user-content {
  text-align: left;
}

.user-title div {
  height: 55px;
  line-height: 55px;
  text-align: center;
}

.user-content > div {
  height: 55px;
  display: flex;
  align-items: center;
}

.user-content >>> .el-input__inner {
  border: none;
  height: 35px;
  background: var(--whiteMask);
}

.form-friend {
  margin-top: 12px;
  background-color: #eee;
  border: #ddd 1px solid;
  padding: 20px 0;
}

blockquote {
  line-height: 2;
  border-left: 0.2rem solid #ed6ea0;
  padding: 10px 1rem;
  background-color: #ffe6fa;
  border-radius: 4px;
  margin: 20px auto;
  color: var(--maxGreyFont);
}

@media screen and (max-width: 700px) {
  .form-wrap {
    width: auto;
  }

  .before-img {
    width: auto;
  }

  .after-img {
    width: auto;
  }
}

@media screen and (max-width: 500px) {
  .friend-main {
    padding: 40px 15px;
  }

  .friend-wrap {
    padding: 0 10px
  }
}
</style>
